org.gvsig.app.extension.selectioncount

Class SelectionCount

java.lang.Object

org.gvsig.app.extension.selectioncount.SelectionCount

All Implemented Interfaces:

LayerListener, Observer

public class SelectionCount
extends Object
implements LayerListener, Observer

Counts total and selected features and shows them in the status bar

Constructor Summary

Constructors

Constructor and Description
SelectionCount(IControl control) Listens the map control to show the count through the control in the status bar

Method Summary

Methods

Modifier and Type	Method and Description
void	activationChanged(LayerEvent e) Called when the activation of a layer has changed.
void	clean() Cleans the text shown in the control
void	doAtomicEvent(MapContext mapContext, AtomicEvent e)
void	drawValueChanged(LayerEvent e) Called when a draw value of a layer has changed.
void	editionChanged(LayerEvent e) Called when the edition of a layer has changed.
void	nameChanged(LayerEvent e) Called when the name of a layer has changed.
void	showFeatureCount() Gets the features from the selected layers and shows them through the control
void	update(Observable observable, Object notification) Called whenever a Observable object is changed and this Observer has registered on it to receive notifications.
void	visibilityChanged(LayerEvent e) Called when the visibility of a layer has changed.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

SelectionCount

public SelectionCount(IControl control)

Listens the map control to show the count through the control in the status bar

Parameters:

mapControl -

control -

Method Detail

doAtomicEvent

public void doAtomicEvent(MapContext mapContext,
                 AtomicEvent e)

visibilityChanged

public void visibilityChanged(LayerEvent e)

Description copied from interface: LayerListener

Called when the visibility of a layer has changed.

Specified by:

visibilityChanged in interface LayerListener

Parameters:

e - a visibility changed layer event object

activationChanged

public void activationChanged(LayerEvent e)

Description copied from interface: LayerListener

Called when the activation of a layer has changed.

Specified by:

activationChanged in interface LayerListener

Parameters:

e - an activation changed layer event object

nameChanged

public void nameChanged(LayerEvent e)

Description copied from interface: LayerListener

Called when the name of a layer has changed.

Specified by:

nameChanged in interface LayerListener

Parameters:

e - a name changed layer event object

editionChanged

public void editionChanged(LayerEvent e)

Description copied from interface: LayerListener

Called when the edition of a layer has changed.

Specified by:

editionChanged in interface LayerListener

Parameters:

e - an edition changed layer event object

drawValueChanged

public void drawValueChanged(LayerEvent e)

Description copied from interface: LayerListener

Called when a draw value of a layer has changed.

Specified by:

drawValueChanged in interface LayerListener

Parameters:

e - an edition changed layer event object

update

public void update(Observable observable,
          Object notification)

Description copied from interface: Observer

Called whenever a Observable object is changed and this Observer has registered on it to receive notifications.

Implementations of this method will be called for each simple notification or, if a complex notification is created, for each of the child notifications.

In the latter case, don't assume any ordering in the notification between this Observer and other Observers listening to the same Observable.

In a complex notification scenario, if you want to receive only the complex notification and not each of the child notifications, just implement the ComplexObserver and prepare this method implementation to handle receiving DefaultComplexNotification instances as well as direct notification objects.

Specified by:

update in interface Observer

Parameters:

observable - the observable object.

notification - the notification data.

showFeatureCount

public void showFeatureCount()

Gets the features from the selected layers and shows them through the control

Parameters:

mapControl -

clean

public void clean()

Cleans the text shown in the control